Question

define
star
light year
galaxy
constellation.​

Answer 1

ᴛʜᴇ ɢᴀʟᴀxʏ ɪs ᴍɪʟʟɪᴏɴ ʟɪɢʜᴛ-ʏᴇᴀʀs ғʀᴏᴍ ᴇᴀʀᴛʜ (ᴛʜᴀᴛ's ǫᴜɪɴᴛɪʟʟɪᴏɴ ᴍɪʟᴇs!) ᴀɴᴅ ᴄᴀɴ ʙᴇ ғᴏᴜɴᴅ ɪɴ ᴛʜᴇ ᴄᴏɴsᴛᴇʟʟᴀᴛɪᴏɴ ᴜʀsᴀ ᴍᴀᴊᴏʀ. ... ᴀ ʟɪɢʜᴛ-ʏᴇᴀʀ ɪs ᴛʜᴇ ᴅɪsᴛᴀɴᴄᴇ ᴀ ʙᴇᴀᴍ ᴏғ ʟɪɢʜᴛ ᴛʀᴀᴠᴇʟs ɪɴ ᴀ sɪɴɢʟᴇ ᴇᴀʀᴛʜ ʏᴇᴀʀ, ᴏʀ ᴛʀɪʟʟɪᴏɴ ᴍɪʟᴇs (. ᴛʀɪʟʟɪᴏɴ ᴋɪʟᴏᴍᴇᴛᴇʀs).

Answer 2

$\huge \fbox \pink{answer }:$

⭐star :

stars are huge bodies of gases which have their own heat and light

⭐light year:

the distance that light travels in one year.

⭐galaxy:

a galaxy is a large group of stars and associated matters that are found throughout the universe .

⭐constellation:

stars make certain patterns which took like mythological figures. such patterns made by stars are known as constellations.